Tens unit muscle stimulator



FIG. 1 is a front and right side perspective view of a TENS unit muscle stimulator showing my new design;

FIG. 2 is a rear and left side perspective view of the TENS unit muscle stimulator;

FIG. 3 is a front view of the TENS unit muscle stimulator;

FIG. 4 is a rear view of the TENS unit muscle stimulator;

FIG. 5 is a left side view of the TENS unit muscle stimulator;

FIG. 6 is a right side view of the TENS unit muscle stimulator;

FIG. 7 is a top view of the TENS unit muscle stimulator; and,

FIG. 8 is a bottom view of the TENS unit muscle stimulator.

The broken lines in the drawings depict portions of the TENS unit muscle stimulator that form no part of the claimed design. 

CLAIM The ornamental design for a TENS unit muscle stimulator, as shown and described. 